231730domain: NAppears in sequencesa(1)=1, a(n) is the smallest integer > a(n-1) such that the largest element in the simple continued fraction for S(n)=1/a(1)+1/a(2)+...+1/a(n) equals n^3.at n=13A070903Number of 4 X n 0..2 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.at n=8A224002